Test for Perl strict and minimum version

Fix strictness issues across the whole code base, and ensure that
all Perl scripts enable warnings.  (Hopefully enabling warnings
won't cause problems for the server.)

Change-Id: I4dee49f7a6bcbeeee21d74bf61a1fd26514f832c
Reviewed-on: https://gerrit.stanford.edu/1532
Reviewed-by: Russ Allbery <rra@stanford.edu>
Tested-by: Russ Allbery <rra@stanford.edu>

1 files changed, 1 insertions, 0 deletions

diff --git a/server/keytab-backend b/server/keytab-backend
index cf283bb..bd5a3f9 100755
--- a/server/keytab-backend
+++ b/server/keytab-backend
@@ -21,6 +21,7 @@
 ##############################################################################
 
 use strict;
+use warnings;
 
 use Sys::Syslog qw(openlog syslog);